Barnacles. . Site: S Otter Rocks, Skerries, Portrush
 Barnacles. Event number: 19790619/02. Site: S Otter Rocks, Skerries, Portrush. 1979-06-19. Photograph © Ulster Museum. (2/9) 
 Ulster Museum (2026). Photograph of Barnacles. . Site: S Otter Rocks, Skerries, Portrush. [In] Marine Biodiversity Data Portal - NI.
https://habitas.org/mbdp/sitephoto.php?item=niss_1080.jpg. Accessed on 2026-11-04